7-Zip 9.20 Final (X86-X64)

7-Zip is an open source file archiver with the high compression ratio predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment. 7-Zip is free software, developed by Igor Pavlov and distributed under the GNU LGPL license.
The main features of 7-Zip:
* High compression ratio in new 7z format with LZMA compression
* Supported formats:
*Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
*Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS
* For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip

* Strong AES-256 encryption in 7z and ZIP formats
* Self-extracting capability for 7z format
* Integration with Windows Shell
* Powerful File Manager* Powerful command line version
* Plugin for FAR Manager
* Localizations for 74 languages

Changes in 7-Zip 9.20 (2010-11-18): for Windows:
*7-Zip File Manager now can calculate SHA-256 checksum.
*Some bugs were fixed.